Parav Pandit b40c51efef
devlink: Add API to register and unregister single parameter ...
Currently device configuration parameters can be registered as an array.
Due to this a constant array must be registered. A single driver
supporting multiple devices each with different device capabilities end
up registering all parameters even if it doesn't support it.
One possible workaround a driver can do is, it registers multiple single
entry arrays to overcome such limitation.
Better is to provide a API that enables driver to register/unregister a
single parameter. This also further helps in two ways.
(1) to reduce the memory of devlink_param_entry by avoiding in registering
parameters which are not supported by the device.
(2) avoid generating multiple parameter add, delete, publish, unpublish,
init value notifications for such unsupported parameters
Signed-off-by: Parav Pandit <parav@nvidia.com >
Reviewed-by: Jiri Pirko <jiri@nvidia.com >
Reviewed-by: Leon Romanovsky <leonro@nvidia.com >
Signed-off-by: David S. Miller <davem@davemloft.net >
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